What sounded like leaves rustling in the wind was the flickering wings of thousands of monarch butterflies as they flitted ...

The population wintering in central Mexico's forests occupied 4.42 acres, up from 2.22 acres during the previous winter.

The number of monarch butterflies overwintering this year in Mexico has nearly doubled, according to the 2025 annual census.

The eastern monarch butterfly population nearly doubled in 2025, but the numbers remain far below the long-term average. According to the World Wildlife Fund (WWF), The population wintering in central ...

The population of the eastern monarch butterflies in Mexico doubled this past winter season, according to a WWF survey.

This year’s count of 4.42 acres of occupied forest habitat is nearly twice as large as last year's, but eastern monarch ...

Mexican officials and environmental groups say better weather conditions on the butterflies’ migration route caused the ...

The monarch butterfly population has rebounded from a near record low number in 2024, according to the latest annual survey ...

This year’s count of 4.42 acres of occupied forest habitat is nearly twice as large as last year's, but eastern monarch butterfly populations remain far below the long-term average. The 2024 ...